e/Open stud book

Information
has gloss	eng: An open stud book is a type of breed registry for animals, particularly horses, wherein animals may be registered even if their parents or earlier ancestors were not previously registered with that particular entity. Usually an open stud book has strict studbook selection criteria that require an animal to meet a certain standard of conformation, performance or both.
lexicalization	eng: open stud book
instance of	c/Breed registries